Table of contents

1. Introduction to Anatomy & Physiology5h 43m
2. Cell Chemistry & Cell Components12h 36m
3. Energy & Cell Processes10h 6m
4. Tissues & Histology10h 3m
5. Integumentary System2h 20m
6. Bones & Skeletal Tissue2h 16m
7. The Skeletal System2h 35m
8. Joints2h 17m
9. Muscle Tissue2h 33m
10. Muscles1h 11m
11. Nervous Tissue and Nervous System1h 35m
12. The Central Nervous System1h 6m
- Introduction to the Central Nervous System
  18m
- The Cerebrum
  48m
13. The Peripheral Nervous System1h 26m
14. The Autonomic Nervous System1h 38m
15. The Special Senses2h 41m
16. The Endocrine System2h 48m
17. The Blood3h 22m
18. The Heart3h 42m
19. The Blood Vessels3h 35m
20. The Lymphatic System3h 16m
21. The Immune System14h 37m
22. The Respiratory System3h 20m
23. The Digestive System2h 5m
24. Metabolism and Nutrition4h 0m
25. The Urinary System2h 39m
26. Fluid and Electrolyte Balance, Acid Base Balance37m
27. The Reproductive System2h 5m
28. Human Development1h 21m
29. Heredity3h 32m

25. The Urinary System

The Nephron

Anatomy & Physiology

25. The Urinary System

The Nephron

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Multiple Choice

What is the name of the structure where all the nephrons finally empty their urine?

Collecting duct

Bowman's capsule

Loop of Henle

Proximal convoluted tubule

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Verified step by step guidance

Step 1: Begin by understanding the anatomy of the nephron, which is the functional unit of the kidney. The nephron consists of several structures, including Bowman's capsule, the proximal convoluted tubule, the Loop of Henle, the distal convoluted tubule, and the collecting duct.

Step 2: Recognize the role of each structure in the nephron. Bowman's capsule is responsible for filtration, the proximal convoluted tubule reabsorbs nutrients, the Loop of Henle concentrates urine, and the collecting duct is where urine from multiple nephrons is finally collected.

Step 3: Focus on the question, which asks for the structure where all nephrons empty their urine. This implies the final destination within the nephron before urine exits the kidney.

Step 4: Eliminate incorrect options based on their functions. Bowman's capsule is involved in filtration, not urine collection. The Loop of Henle is responsible for concentrating urine, and the proximal convoluted tubule is involved in reabsorption, not collection.

Step 5: Conclude that the correct structure where all nephrons empty their urine is the collecting duct, as it gathers urine from multiple nephrons and channels it toward the renal pelvis.